1 /*- 2 * spinconsole.c 3 * 4 * Author: Maksym Sobolyev <sobomax@sippysoft.com> 5 * Copyright (c) 2009 Sippy Software, Inc. 6 * All rights reserved. 7 * 8 * Subject to the following obligations and disclaimer of warranty, use and 9 * redistribution of this software, in source or object code forms, with or 10 * without modifications are expressly permitted by Whistle Communications; 11 * provided, however, that: 12 * 1. Any and all reproductions of the source or object code must include the 13 * copyright notice above and the following disclaimer of warranties; and 14 * 2. No rights are granted, in any manner or form, to use Whistle 15 * Communications, Inc. trademarks, including the mark "WHISTLE 16 * COMMUNICATIONS" on advertising, endorsements, or otherwise except as 17 * such appears in the above copyright notice or in the software. 18 * 19 * THIS SOFTWARE IS BEING PROVIDED BY WHISTLE COMMUNICATIONS "AS IS", AND 20 * TO THE MAXIMUM EXTENT PERMITTED BY LAW, WHISTLE COMMUNICATIONS MAKES NO 21 * REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING THIS SOFTWARE, 22 * INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED WARRANTIES OF 23 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT. 24 * WHISTLE COMMUNICATIONS DOES NOT WARRANT, GUARANTEE, OR MAKE ANY 25 * REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS OF THE USE OF THIS 26 * SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY, RELIABILITY OR OTHERWISE. 27 * IN NO EVENT SHALL WHISTLE COMMUNICATIONS BE LIABLE FOR ANY DAMAGES 28 * RESULTING FROM OR ARISING OUT OF ANY USE OF THIS SOFTWARE, INCLUDING 29 * WITHOUT LIMITATION, ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, 30 * PUNITIVE, OR CONSEQUENTIAL DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR 31 * SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY 32 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 33 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 34 * THIS SOFTWARE, EVEN IF WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY 35 * OF SUCH DAMAGE. 36 */ 37 38 #include <sys/cdefs.h> 39 40 #include <stand.h> 41 #include <bootstrap.h> 42 43 extern void get_pos(int *x, int *y); 44 extern void curs_move(int *_x, int *_y, int x, int y); 45 #if defined(EFI) 46 extern void efi_cons_efiputchar(int c); 47 #else 48 extern void vidc_biosputchar(int c); 49 #endif 50 51 static void spinc_probe(struct console *cp); 52 static int spinc_init(struct console *cp, int arg); 53 static void spinc_putchar(struct console *cp, int c); 54 static int spinc_getchar(struct console *cp); 55 static int spinc_ischar(struct console *cp); 56 57 struct console spinconsole = { 58 .c_name = "spin", 59 .c_desc = "spin port", 60 .c_flags = 0, 61 .c_probe = spinc_probe, 62 .c_init = spinc_init, 63 .c_out = spinc_putchar, 64 .c_in = spinc_getchar, 65 .c_ready = spinc_ischar, 66 .c_private = NULL 67 }; 68 69 static void 70 spinc_probe(struct console *cp) 71 { 72 cp->c_flags |= (C_PRESENTIN | C_PRESENTOUT); 73 } 74 75 static int 76 spinc_init(struct console *cp __attribute((unused)), 77 int arg __attribute((unused))) 78 { 79 return(0); 80 } 81 82 static void 83 spinc_putchar(struct console *cp __attribute((unused)), 84 int c __attribute((unused))) 85 { 86 #ifdef TERM_EMU 87 static int curx, cury; 88 #endif 89 static unsigned tw_chars = 0x5C2D2F7C; /* "\-/|" */ 90 static time_t lasttime; 91 time_t now; 92 93 now = time(NULL); 94 if (now < (lasttime + 1)) 95 return; 96 lasttime = now; 97 #ifdef TERM_EMU 98 get_pos(&curx, &cury); 99 if (curx > 0) 100 curs_move(&curx, &cury, curx - 1, cury); 101 #endif 102 #if defined(EFI) 103 efi_cons_efiputchar((char)tw_chars); 104 #else 105 vidc_biosputchar((char)tw_chars); 106 #endif 107 tw_chars = (tw_chars >> 8) | ((tw_chars & (unsigned long)0xFF) << 24); 108 } 109 110 static int 111 spinc_getchar(struct console *cp __attribute((unused))) 112 { 113 return(-1); 114 } 115 116 static int 117 spinc_ischar(struct console *cp __attribute((unused))) 118 { 119 return(0); 120 } 121